<template>
  <div>
    <div class="card" style="margin-bottom: 5px">
      <el-input v-model="data.name" prefix-icon="Search" style="width: 240px; margin-right: 10px" placeholder="请输入宠物用品类型"></el-input>
      <el-button type="info" plain @click="load">查询</el-button>
      <el-button type="warning" plain style="margin: 0 10px" @click="reset">重置</el-button>
    </div>
    <div class="card" style="margin-bottom: 5px">
      <el-button type="primary" plain @click="handleAdd">新增</el-button>
      <el-button type="danger" plain @click="handleBatchDelete">批量删除</el-button>
    </div>
    <div class="card" style="margin-bottom: 5px">
      <el-table stripe :data="data.tableData" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55"/>
        <el-table-column prop="name" label="宠物用品类型" />
        <el-table-column label="操作" width="100" fixed="right">
          <template v-slot="scope">
            <el-button type="primary" circle :icon="Edit" @click="handleEdit(scope.row)"></el-button>
            <el-button type="danger" circle :icon="Delete" @click="handleDelete(scope.row.id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <div class="card" v-if="data.total">
      <el-pagination
          @current-change="load"
          @size-change="handleSizeChange"
          background layout="total, prev, pager, next, jumper, sizes"
          :page-sizes="[1, 3, 5, 10, 15, 20, 30]"
          :page-size="data.pageSize"
          v-model:current-page="data.pageNum"
          :total="data.total"/>
    </div>

    <el-dialog title="宠物用品类型" v-model="data.formVisible" width="40%" destroy-on-close>
      <el-form ref="form" :model="data.form" label-width="70px" style="padding: 20px">
        <el-form-item prop="name" label="宠物用品类型" style="white-space: nowrap; margin-bottom: 0">
          <el-input v-model="data.form.name" placeholder="请输入宠物用品类型" style="width: 100%"></el-input>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="data.formVisible = false">取 消</el-button>
          <el-button type="primary" @click="save">确 定</el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>
<script setup>
  import {reactive} from 'vue'
  import request from '@/utils/request.js'
  import { ElMessage, ElMessageBox } from 'element-plus'
  import { Delete, Edit} from '@element-plus/icons-vue'

  const data = reactive({
    formVisible: false,
    form: {},
    tableData: [],
    pageNum: 1,
    pageSize: 10,
    total: 0,
    name: null,
    ids: []
  })
  const handleAdd = () => {
    data.form = {}
    data.formVisible = true
  }

  const add = () => {
    request.post('/goodsType/add', data.form).then(res => {
      if (res.code === '200') {
        ElMessage.success('操作成功')
        data.formVisible = false
        load()
      } else {
        ElMessage.error(res.msg)
      }
    })
  }

  const load = () => {
    request.get('/goodsType/pageQuery', {
      params:{
        pageNum: data.pageNum,
        pageSize: data.pageSize,
        name: data.name
      }
    }).then(res => {
      if (res.code === '200') {
        data.tableData = res.data?.list || []
        data.total = res.data?.total
      } else {
        ElMessage.error(res.msg)
      }
    })
  }

  const save = () => {
    data.form.id ? update() : add()
  }

  const update = () => {
    request.put('/goodsType/update', data.form).then(res => {
      if (res.code === '200') {
        ElMessage.success('操作成功')
        data.formVisible = false
        load()
      } else {
        ElMessage.error(res.msg)
      }
    })
  }

  const reset = () => {
    data.name = null;
    load()
  }

  const handleDelete = (id) => {
    ElMessageBox.confirm('删除后数据无法恢复，您确定删除吗？', '删除确认', { type: 'warning' }).then(res => {
      request.delete('/goodsType/delete/' + id).then(res => {
        if (res.code === '200') {
          ElMessage.success('删除成功')
          load()
        } else {
          ElMessage.error(res.msg)
        }
      })
    }).catch(err => {
      console.log(err)
    })
  }

  const handleEdit = (row) => {
    data.form = JSON.parse(JSON.stringify(row))
    data.formVisible = true
  }

  const handleSelectionChange = (rows) => {
    data.ids = rows.map(row => row.id)
  }

  const handleBatchDelete = () => {
    if (!data.ids.length) {
      ElMessage.warning('请选择数据')
      return
    }
    ElMessageBox.confirm('删除后数据无法恢复，您确定删除吗？', '删除确认', { type: 'warning' }).then(res => {
      request.delete('/goodsType/delete/batch', {data: data.ids} ).then(res => {
        if (res.code === '200') {
          ElMessage.success('批量删除成功')
          load()
        } else {
          ElMessage.error(res.msg)
        }
      })
    })
  }

  const handleSizeChange = (newSize) => {
    data.pageSize = newSize
    data.pageNum = 1  // 切换页大小时重置到第一页
    load()
  }

  load()
</script>